On sale on Amazon, this Bissell stain remover is unbeatable on encrusted stains. It specializes in interior textiles, such as carpets, rugs and upholstery fabrics.
The SpotClean ProHeat cleaner uses a dual tank system, with a 1.1L clean water tray and 1.4L dirty water tray. Dirty water is immediately sucked up and removed by the brush. The Bissell Heatwave system keeps clean water at a high enough temperature to ensure it's effectiveness throughout the cleaning operation.